Progesterone receptor antagonists

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai

Reexamination Certificate

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Details

C552S648000

Reexamination Certificate

active

08053426

ABSTRACT:
The present invention relates to progesterone receptor antagonists of general formula I:in which R1 can be a hydrogen atom and R2 a hydroxyl group or R1 and R2 together can be an oxo group.

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